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## org.bouncycastle.asn1.cms
Class GCMParameters

    java.lang.Object
      org.bouncycastle.asn1.ASN1Object
          org.bouncycastle.asn1.cms.GCMParameters

All Implemented Interfaces:
  ASN1Encodable, Encodable

public class GCMParameters
extends ASN1Object

RFC 5084: GCMParameters object.

GCMParameters ::= SEQUENCE { aes-nonce OCTET STRING, -- recommended size is 12 octets aes-ICVlen AES-GCM-ICVlen DEFAULT 12 }

Constructor Summary
`GCMParameters(byte[] nonce, int icvLen)`

Method Summary
`int` | `getIcvLen()`
`static GCMParameters` | `getInstance(java.lang.Object obj)` Return an GCMParameters object from the given object.
`byte[]` | `getNonce()`
`ASN1Primitive` | `toASN1Primitive()` Method providing a primitive representation of this object suitable for encoding.

Methods inherited from class org.bouncycastle.asn1.ASN1Object
`encodeTo, encodeTo, equals, getEncoded, getEncoded, hasEncodedTagValue, hashCode`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### GCMParameters

    public GCMParameters(byte[] nonce,
                         int icvLen)

Method Detail

### getInstance

    public static GCMParameters getInstance(java.lang.Object obj)

  Return an GCMParameters object from the given object.

  Accepted inputs: null → null `GCMParameters` object `ASN1Sequence` input formats with GCMParameters structure inside

  Parameters:
    `obj` - the object we want converted.
  Throws:
    `java.lang.IllegalArgumentException` - if the object cannot be converted.

### getNonce

    public byte[] getNonce()

### getIcvLen

    public int getIcvLen()

### toASN1Primitive

    public ASN1Primitive toASN1Primitive()

  Description copied from class: `ASN1Object`
  Method providing a primitive representation of this object suitable for encoding.

  Specified by:
    `toASN1Primitive` in interface `ASN1Encodable`
  Specified by:
    `toASN1Primitive` in class `ASN1Object`
  Returns:
    a primitive representation of this object.

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